diff options
Diffstat (limited to 'target/linux/generic/backport-5.15/890-v6.2-mtd-spinand-winbond-fix-flash-detection.patch')
| -rw-r--r-- | target/linux/generic/backport-5.15/890-v6.2-mtd-spinand-winbond-fix-flash-detection.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.15/890-v6.2-mtd-spinand-winbond-fix-flash-detection.patch b/target/linux/generic/backport-5.15/890-v6.2-mtd-spinand-winbond-fix-flash-detection.patch new file mode 100644 index 0000000000..38fbc3a3d7 --- /dev/null +++ b/target/linux/generic/backport-5.15/890-v6.2-mtd-spinand-winbond-fix-flash-detection.patch @@ -0,0 +1,40 @@ +From dbf70fc204d2fbb0d8ad8f42038a60846502efda Mon Sep 17 00:00:00 2001 +From: Mikhail Kshevetskiy <mikhail.kshevetskiy@iopsys.eu> +Date: Mon, 10 Oct 2022 13:51:09 +0300 +Subject: [PATCH] mtd: spinand: winbond: fix flash identification + +Winbond uses 3 bytes to identify flash: vendor_id, dev_id_0, dev_id_1, +but current driver uses only first 2 bytes of it for devices +identification. As result Winbond W25N02KV flash (id_bytes: EF, AA, 22) +is identified as W25N01GV (id_bytes: EF, AA, 21). + +Fix this by adding missed identification bytes. + +Signed-off-by: Mikhail Kshevetskiy <mikhail.kshevetskiy@iopsys.eu> +Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de> +Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> +Link: https://lore.kernel.org/linux-mtd/20221010105110.446674-1-mikhail.kshevetskiy@iopsys.eu +--- + drivers/mtd/nand/spi/winbond.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +--- a/drivers/mtd/nand/spi/winbond.c ++++ b/drivers/mtd/nand/spi/winbond.c +@@ -76,7 +76,7 @@ static int w25m02gv_select_target(struct + + static const struct spinand_info winbond_spinand_table[] = { + SPINAND_INFO("W25M02GV", +- SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xab), ++ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xab, 0x21), + NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 2), + NAND_ECCREQ(1, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, +@@ -86,7 +86,7 @@ static const struct spinand_info winbond + SPINAND_ECCINFO(&w25m02gv_ooblayout, NULL), + SPINAND_SELECT_TARGET(w25m02gv_select_target)), + SPINAND_INFO("W25N01GV", +- SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xaa), ++ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xaa, 0x21), + NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1), + NAND_ECCREQ(1, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, |